Xiaohui Qu

Title: Innovations of Xiaohui Qu in LED Technology

Introduction

Xiaohui Qu is a notable inventor based in Hong Kong, CN. He has made significant contributions to the field of LED technology, particularly through his innovative patent that addresses current balancing in LED drivers. His work is recognized for its potential to enhance the efficiency and performance of LED lighting systems.

Latest Patents

Xiaohui Qu holds a patent for a "Multi-string LED driver with current balancing." This invention discloses a current-source-output light-emitting-diode (LED) driver based on an LCLC circuit. The design provides a constant output current regardless of variations in LED parameters. The LCLC circuit allows for scalability with the number of LED strings for effective current balancing. Additionally, the input impedance of the improved LCLC circuit is designed to be resistive at the operating frequency, minimizing reactive power. The conventional duty cycle control can easily incorporate zero-voltage-switching (ZVS), making it a versatile solution for LED applications.

Career Highlights

Xiaohui Qu is affiliated with The Hong Kong Polytechnic University, where he continues to engage in research and development in the field of electrical engineering. His academic background and innovative mindset have positioned him as a key figure in advancing LED technology.

Collaborations

Xiaohui Qu has collaborated with esteemed colleagues such as Siu-Chung Wong and Chi Kong Tse. Their combined expertise contributes to the ongoing research and development efforts in the field of LED technology.

Conclusion

Xiaohui Qu's contributions to LED technology through his innovative patent demonstrate his commitment to enhancing lighting solutions. His work not only addresses current challenges in the industry but also paves the way for future advancements in LED applications.